:root{--cor-primaria:#2c6e49;--cor-secundaria:#4c956c;--cor-fundo:#f4f4f4;--cor-texto:#333;--cor-branco:#fff;--sombra:0 2px 8px rgba(0,0,0,0.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Poppins',sans-serif;background-color:var(--cor-fundo);color:var(--cor-texto);line-height:1.6}body.modo-contraste{--cor-primaria:#ffffff;--cor-secundaria:#00ff88;--cor-fundo:#000000;--cor-texto:#ffffff}body.modo-contraste .card{background-color:#111}body.modo-contraste .form{background-color:#111}body.modo-contraste .btn,body.modo-contraste .btn.btn-secundario,body.modo-contraste .cta a,body.modo-contraste .form .btn{background-color:var(--cor-primaria);color:#000;border:none;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;transition:.3s}body.modo-contraste .btn:hover,body.modo-contraste .cta a:hover,body.modo-contraste .form .btn:hover{background-color:var(--cor-secundaria)}body.modo-contraste .btn-secundario{background-color:#555}body.modo-contraste header,body.modo-contraste footer{background-color:#111}body.modo-contraste .cadastro h2,body.modo-contraste .cadastro p{color:var(--cor-texto)}.container{width:90%;max-width:1200px;margin:auto}.header{background-color:var(--cor-primaria);color:var(--cor-branco);box-shadow:var(--sombra)}.header .container{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}.logo a{color:var(--cor-branco);text-decoration:none;font-weight:600;font-size:1.4rem}.menu ul{list-style:none;display:flex;gap:1rem}.menu a{color:var(--cor-branco);text-decoration:none;font-weight:500;transition:.3s}.menu a:hover{text-decoration:underline}.main-content{padding:2rem 0}.home{text-align:center;padding:2rem 1rem}.img-banner{width:100%;max-width:800px;border-radius:12px;box-shadow:var(--sombra);margin-top:1rem}.cta{margin-top:2rem;display:flex;justify-content:center;gap:1rem}.cards-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.card{background-color:var(--cor-branco);border-radius:12px;box-shadow:var(--sombra);overflow:hidden;text-align:center;padding-bottom:1rem}.card img{width:100%;height:180px;object-fit:cover}.card h3{margin:1rem 0 .5rem;color:var(--cor-primaria)}.form{background-color:var(--cor-branco);box-shadow:var(--sombra);border-radius:12px;padding:2rem;max-width:600px;margin:2rem auto;display:flex;flex-direction:column;gap:1rem}label{font-weight:500}input,select,textarea{padding:.75rem;border:1px solid #ccc;border-radius:8px;width:100%}.btn{background-color:var(--cor-primaria);color:var(--cor-branco);border:none;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;transition:.3s}.btn:hover{background-color:var(--cor-secundario)}.btn-secundario{background-color:#aaa}.footer{background-color:var(--cor-primaria);color:var(--cor-branco);text-align:center;padding:1rem 0;margin-top:3rem}.logo-img{height:50px;vertical-align:middle}.cadastro{text-align:center;margin-top:20px}.cadastro h2{font-size:1.8rem;margin-bottom:10px;color:#1f4d2b}.cadastro p{color:#555;margin-bottom:30px}